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MMA6821LKWR2
Product Overview
- Category: Accelerometer Sensor
- Use: Measures acceleration in various applications
- Characteristics: High sensitivity, low power consumption, compact size
- Package: Surface-mount package
- Essence: Provides accurate and reliable measurement of acceleration
- Packaging/Quantity: Available in reels of 2500 units
Specifications
- Sensitivity: 800 mV/g
- Operating Voltage: 1.95V to 3.6V
- Output Type: Analog
- Operating Temperature: -40°C to +85°C
- Dimensions: 3mm x 3mm x 1mm
Detailed Pin Configuration
- Pin 1: VDD
- Pin 2: GND
- Pin 3: XOUT
- Pin 4: YOUT
- Pin 5: ZOUT
- Pin 6: NC (Not Connected)
Functional Features
- High sensitivity for precise measurements
- Low power consumption for extended battery life
- Compact size for easy integration into various devices
Advantages
- Accurate and reliable measurement of acceleration
- Low power consumption extends battery life
- Small form factor for versatile integration
Disadvantages
- Limited operating temperature range (-40°C to +85°C)
- Analog output may require additional signal conditioning
Working Principles
The MMA6821LKWR2 operates based on the principle of capacitive sensing. When subjected to acceleration, a mass inside the sensor moves, causing a change in capacitance. This change is then converted into an analog voltage proportional to the applied acceleration.
Detailed Application Field Plans
- Automotive: Vehicle stability control, rollover detection
- Consumer Electronics: Motion-based user interfaces, gaming controllers
- Industrial: Equipment monitoring, vibration analysis
Detailed and Complete Alternative Models
- MMA8452Q: Similar sensitivity and features, digital output
- LIS3DH: Different package, wider temperature range, digital output
This content provides a comprehensive overview of the MMA6821LKWR2 accelerometer sensor, including its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models. The information is structured to provide a clear understanding of the product and its potential uses.
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng MMA6821LKWR2 trong giải pháp kỹ thuật
What is the MMA6821LKWR2?
- The MMA6821LKWR2 is a low power, high precision 3-axis accelerometer designed for applications requiring orientation detection, gesture recognition, and vibration monitoring.
What is the operating voltage range of the MMA6821LKWR2?
- The operating voltage range of the MMA6821LKWR2 is 1.71V to 3.6V.
What communication interfaces does the MMA6821LKWR2 support?
- The MMA6821LKWR2 supports both I2C and SPI communication interfaces.
What is the resolution of the MMA6821LKWR2?
- The MMA6821LKWR2 has a resolution of 14 bits for acceleration data.
Can the MMA6821LKWR2 be used for tilt sensing applications?
- Yes, the MMA6821LKWR2 can be used for tilt sensing applications due to its high precision and low noise characteristics.
What are the typical applications of the MMA6821LKWR2?
- Typical applications of the MMA6821LKWR2 include screen rotation, gaming controllers, pedometers, and industrial vibration monitoring.
Does the MMA6821LKWR2 have built-in motion detection features?
- Yes, the MMA6821LKWR2 includes built-in motion detection and freefall detection features.
What is the temperature range for operation of the MMA6821LKWR2?
- The MMA6821LKWR2 has an operating temperature range of -40°C to +85°C.
Is the MMA6821LKWR2 suitable for battery-powered devices?
- Yes, the MMA6821LKWR2 is suitable for battery-powered devices due to its low power consumption.
Are there evaluation boards or development kits available for the MMA6821LKWR2?
- Yes, evaluation boards and development kits are available to facilitate the integration and testing of the MMA6821LKWR2 in technical solutions.